Word: venuses
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Dates: during 1950-1959
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Nunc iterum ver et ardor adest; Musae et Venus placido de caelo Cantabrigiam descenderunt; histriones classici foriter vigescunt. Sed quales Musae nobis? Plautinae? Et qualis Venus? Secunda? Immo edepol severae Musae tragoediae quibus tantum borribiles irae et mortes pallidae placent. Et non Venus benigna inter nos incedit sed illa Venus dirissima quae tantummodo incastos ritus saeviter fovet. O collegium Harvardianum, quale exemplum maestissimum ver et Venus tibi protulit! Ubinam gentium sunt Nymphae Gratiaeque decentes? Cur nihil nisi membra disiecta? Nam hac in Senecae fabula Ration Stoica nihil potest, et ubique regnat Furor et Cupido ct Caedesl Phaedra enim cui voluptas...
...telescope of McDonald Observatory near Fort Davis, Texas, Dr. Kuiper took 260 pictures with a filter that excluded all but violet light. Most of them showed six vague light-and-dark bands around the cloudy planet. Dr. Kuiper believes that the bands are connected with the climate zones of Venus, and that therefore they must be parallel to the Venusian equator. The earth has climate zones too, e.g., the cloudy band (the rainy doldrums) around the equator and the clear-aired bands (the dry "horse latitudes") on either side...
...Kuiper is sure that Venus' bands are due to rising or falling currents in its carbon-dioxide atmosphere. His theory is that where the currents are moving upward (as they do in the earth's doldrums), the fine yellow dust that forms the clouds of Venus is carried high. Where the currents move downward, the dust deck is lower, and above it lies a greater thickness of carbon dioxide. The CO2 reflects violet light better than the dust does, and this makes the down-current zones photograph brighter than the others. In light of longer wave length...
...comparing the photographs of faintly banded Venus with parallel lines drawn around a white globe, Dr. Kuiper decided where the Venusian equator must be. This told him the position of the poles and the axis of rotation that passes through them. The axis, he decided, is inclined about 32° from the plane of the ecliptic in which the planets revolve around the sun. Since the earth's inclination is only about 23½°, the seasonal changes of climate on Venus, due to the changing angle of sunlight, may be considerably more pronounced than they are on earth...
...whole, Dr. Kuiper concluded, the meteorology of waterless Venus must be rather simple. There are no ocean basins to complicate the circulation of the dusty carbon-dioxide winds. The yellow dust merely drifts along; it does not condense unpredictably and fall as capricious rain to confound meteorologists...